Rose Marie Stillwell, 72, a long time resident of Round Lake Park, IL passed away at 1:48 pm on January 21, 2024 at Carle Foundation, in Urbana, IL where she currently resided with her son Brian.  She was born on October 20, 1951 in Chicago, Illinois the daughter of John & Heather (Williams) Dietz. She married Paul Stillwell Sr on June 25, 1971. Rose is survived by her sons- Paul (Denise) Stillwell Jr. and Brian (Rachel) Stillwell; grandchildren-Nickoles Stillwell and Austin Stillwell; brothers- John Dietz, Jack Dietz; sisters- Martha Hunter, Margie "Ann" Maloney. She is preceded by her parents, husband, Paul and brothers- Joe Dietz & James Dietz. Rose enjoyed cooking and spending time with her family. A celebration of life will be held at a later date. Condolences may be sent at www.renner-wikoffchapel.com